59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
DOMAIN = "easee_solar_charging"
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CONF_CHARGER_ID = "charger_id"
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CONF_DEVICE_ID = "device_id"
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CONF_SITE_ID = "site_id"
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CONF_SOLAR_PRODUCTION_SENSOR = "solar_production_sensor"
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CONF_HOUSE_LOAD_SENSOR = "house_load_sensor"
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CONF_EV_CHARGING_SENSOR = "ev_charging_sensor"
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ROLLING_AVERAGE_SECONDS = 30
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EASEE_DOMAIN = "easee"
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EASEE_SERVICE_SET_DYNAMIC_LIMIT = "set_charger_dynamic_limit"
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EASEE_CONTROLLABLE_STATES = {"awaiting_start", "ready_to_charge", "charging"}
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# States where the session is finished/sleeping: set current to 0 once, then idle.
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EASEE_SLEEPING_STATES = {"completed", "awaiting_authorization", "awaiting_schedule"}
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DEFAULT_SCAN_INTERVAL = 30 # seconds
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# Charging current constraints
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VOLTAGE_V = 230
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PHASES = 3
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MIN_CHARGER_CURRENT_A = 6
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MAX_CHARGER_CURRENT_A = 16
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# Hysteresis
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HYSTERESIS_A = 2 # dead-band within the charging range (fixed)
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CONF_STOP_GRACE_MINUTES = "stop_grace_minutes"
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DEFAULT_STOP_GRACE_MINUTES = 5
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CONF_CHARGING_PROFILE = "charging_profile"
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CHARGING_PROFILE_CONSERVATIVE = "conservative"
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CHARGING_PROFILE_ALL_SURPLUS = "all_surplus"
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DEFAULT_CHARGING_PROFILE = CHARGING_PROFILE_CONSERVATIVE
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CONF_DEAD_BAND_RESYNC_MINUTES = "dead_band_resync_minutes"
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DEFAULT_DEAD_BAND_RESYNC_MINUTES = 1
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CONF_NOTIFY_TARGET = "notify_target"
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# Watts available at each valid current step on a 3-phase 230V system (P = 3 × V × I)
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AMPS_TO_POWER_W: dict[int, int] = {
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a: PHASES * VOLTAGE_V * a
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for a in range(MIN_CHARGER_CURRENT_A, MAX_CHARGER_CURRENT_A + 1)
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}
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def solar_excess_to_charger_current(excess_w: float) -> int:
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"""Return the highest valid charger current (A) that fits within excess_w.
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Returns 0 if excess is below the minimum charging threshold (6 A).
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Steps are 1 A increments between 6 A and 16 A on a 3-phase 230 V system.
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"""
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amps = int(excess_w / (PHASES * VOLTAGE_V))
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if amps < MIN_CHARGER_CURRENT_A:
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return 0
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return min(amps, MAX_CHARGER_CURRENT_A)
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